not a valid preference.
MediaWiki:Apiwarn-validationfailed-badpref/en
Not a valid boolean
MediaWiki:Bs-validator-invalid-boolean/en
Not a valid float
MediaWiki:Bs-validator-invalid-float/en
Not a valid integer
MediaWiki:Bs-validator-invalid-integer/en
Not a valid string
MediaWiki:Bs-validator-invalid-string/en
Not a valid coordinate
MediaWiki:Bs-validator-invalid-coordinate/en
Not a valid URL
MediaWiki:Urlshortener-error-malformed-url/en
Not a valid list
MediaWiki:Massmessage-create-invalidsource-short/en
Not a valid URL: $1
MediaWiki:Rss-invalid-url/en
Not a valid Bitbucket URL
MediaWiki:External-content-url-not-bitbucket/en
Not a valid file key.
MediaWiki:Apierror-invalid-file-key/en
Not a valid discussion page
MediaWiki:Bs-socialtopics-entity-fatalstatus-save-notalkpage/en
Field not valid
MediaWiki:Donate interface-error-msg-field-not-valid/en
"$1" is not a valid title
MediaWiki:Mediafunctions-invalid-title/en
'''$1''' is not a valid form.
MediaWiki:Pf autoedit invalidform/en
"$1" is not a valid site.
MediaWiki:Massmessage-parse-badurl/en
Not a valid hostname specification: $1
MediaWiki:Maintenance-cleanupSpam-error-invalid/en
$1 is not a valid parameter.
MediaWiki:Validator error unknown argument/en
"$1" is not a valid title.
MediaWiki:Apiwarn-invalidtitle/en
"$1" is not a valid title
MediaWiki:Workflows-property-validator-valid-title-error/en
Not a valid picture from wiki.
MediaWiki:Bs-avatars-set-userimage-failed/en
You have not specified a valid username.
MediaWiki:Globalrenamerequest-newname-err-invalid/en
$1 is not a valid item ID
MediaWiki:Wikibase-pageswithbadges-invalid-id/en
$1 is not a valid entity ID
MediaWiki:Wikibase-entityusage-invalid-id/en
"$1" is not a valid Item ID.
MediaWiki:Wikibase-wikibaserepopage-not-itemid/en